I’ve seen both of these sites mentioned in numerous newsletters, so I figured I’d pass them along. I haven’t relaly followed any of the links or downloaded anything from either site, but they do look interesting.
Google Earth Hacks
Welcome to Google Earth Hacks! We offer lots of great information for you, as well as a growing collection of downloads to use with your copy of Google Earth.
Google Maps Mania
An unofficial Google Maps blog tracking the websites, ideas and tools being influenced by Google Maps.